It is possible to create folders in the app for the better placement of the scans.
There are two ways of creating a folder:
1. Tap the green “+” button at the bottom of the screen:
Tap New Collection. This will place a new folder in the library. You can always change its name later.
2. You can also create folders by combining two or more scans.
Tap and hold one of the scans inside the library and then simply drag it atop of another scan:
Choose Create a folder and it will appear in your library: